Let X be a Banach space and T = L(X, X) have ||T|| < 1. Define Tº to be the identity map (that is, Tº(x) = x, for all x € X). Let r = ||T||. Show that ||T"|| ≤ r", for all n € N.

Advanced Engineering Mathematics
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ISBN:9780470458365
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Chapter2: Second-order Linear Odes
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Let X be a Banach space and T = L(X, X) have ||T|| < 1. Define T° to be the identity map (that is,
Tº(x) = = x, for all x € X). Let r = ||T||. Show that ||T|| ≤ r", for all n € N.
Transcribed Image Text:Let X be a Banach space and T = L(X, X) have ||T|| < 1. Define T° to be the identity map (that is, Tº(x) = = x, for all x € X). Let r = ||T||. Show that ||T|| ≤ r", for all n € N.
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